src/inkscape.cpp

   1 /** @file
   2  * @brief Legacy interface to main application
   3  */
   4 /* Authors:
   5  *   Lauris Kaplinski <lauris@kaplinski.com>
   6  *   bulia byak <buliabyak@users.sf.net>
   7  *
   8  * Copyright (C) 1999-2005 authors
   9  * g++ port Copyright (C) 2003 Nathan Hurst
  10  *
  11  * Released under GNU GPL, read the file 'COPYING' for more information
  12  */
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include "config.h"
  16 #endif
  17
  18 #include <errno.h>
  19
  20 #include <map>
  21 #include "debug/simple-event.h"
  22 #include "debug/event-tracker.h"
  23
  24 #ifndef WIN32
  25 # define HAS_PROC_SELF_EXE  //to get path of executable
  26 #else
  27
  28 // For now to get at is_os_wide().
  29 # include "extension/internal/win32.h"
  30 using Inkscape::Extension::Internal::PrintWin32;
  31
  32 #define _WIN32_IE 0x0400
  33 //#define HAS_SHGetSpecialFolderPath
  34 #define HAS_SHGetSpecialFolderLocation
  35 #define HAS_GetModuleFileName
  36 # include <shlobj.h>
  37 #endif
  38
  39 #include <cstring>
  40 #include <glib/gstdio.h>
  41 #include <glib.h>
  42 #include <glibmm/i18n.h>
  43 #include <gtk/gtkmain.h>
  44 #include <gtk/gtkmessagedialog.h>
  45 #include <gtkmm/messagedialog.h>
  46 #include <signal.h>
  47 #include <string>
  48 #include "desktop.h"
  49 #include "desktop-handles.h"
  50 #include "device-manager.h"
  51 #include "document.h"
  52 #include "event-context.h"
  53 #include "extension/db.h"
  54 #include "extension/init.h"
  55 #include "extension/output.h"
  56 #include "extension/system.h"
  57 //#include "helper/sp-marshal.h"
  58 #include "inkscape-private.h"
  59 #include "io/sys.h"
  60 #include "message-stack.h"
  61 #include "preferences.h"
  62 #include "selection.h"
  63 #include "ui/dialog/debug.h"
  64 #include "xml/repr.h"
  65
  66 static Inkscape::Application *inkscape = NULL;
  67
  68 /* Backbones of configuration xml data */
  69 #include "menus-skeleton.h"
  70
  71 enum {
  72     MODIFY_SELECTION, // global: one of selections modified
  73     CHANGE_SELECTION, // global: one of selections changed
  74     CHANGE_SUBSELECTION, // global: one of subselections (text selection, gradient handle, etc) changed
  75     SET_SELECTION, // global: one of selections set
  76     SET_EVENTCONTEXT, // tool switched
  77     ACTIVATE_DESKTOP, // some desktop got focus
  78     DEACTIVATE_DESKTOP, // some desktop lost focus
  79     SHUTDOWN_SIGNAL, // inkscape is quitting
  80     DIALOGS_HIDE, // user pressed F12
  81     DIALOGS_UNHIDE, // user pressed F12
  82     EXTERNAL_CHANGE, // a document was changed by some external means (undo or XML editor); this
  83                      // may not be reflected by a selection change and thus needs a separate signal
  84     LAST_SIGNAL
  85 };
  86
  87 #define DESKTOP_IS_ACTIVE(d) ((d) == inkscape->desktops->data)
  88
  89
  90 /*################################
  91 # FORWARD DECLARATIONS
  92 ################################*/
  93
  94 static void inkscape_class_init (Inkscape::ApplicationClass *klass);
  95 static void inkscape_init (SPObject *object);
  96 static void inkscape_dispose (GObject *object);
  97
  98 static void inkscape_activate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
  99 static void inkscape_deactivate_desktop_private (Inkscape::Application *inkscape, SPDesktop *desktop);
 100
 101 struct Inkscape::Application {
 102     GObject object;
 103     Inkscape::XML::Document *menus;
 104     std::map<SPDocument *, int> document_set;
 105     GSList *desktops;
 106     gchar *argv0;
 107     gboolean dialogs_toggle;
 108     gboolean use_gui;         // may want to consider a virtual function
 109                               // for overriding things like the warning dlg's
 110     guint mapalt;
 111     guint trackalt;
 112 };
 113
 114 struct Inkscape::ApplicationClass {
 115     GObjectClass object_class;
 116
 117     /* Signals */
 118     void (* change_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 119     void (* change_subselection) (Inkscape::Application * inkscape, SPDesktop *desktop);
 120     void (* modify_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection, guint flags);
 121     void (* set_selection) (Inkscape::Application * inkscape, Inkscape::Selection * selection);
 122     void (* set_eventcontext) (Inkscape::Application * inkscape, SPEventContext * eventcontext);
 123     void (* activate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 124     void (* deactivate_desktop) (Inkscape::Application * inkscape, SPDesktop * desktop);
 125     void (* destroy_document) (Inkscape::Application *inkscape, SPDocument *doc);
 126     void (* color_set) (Inkscape::Application *inkscape, SPColor *color, double opacity);
 127     void (* shut_down) (Inkscape::Application *inkscape);
 128     void (* dialogs_hide) (Inkscape::Application *inkscape);
 129     void (* dialogs_unhide) (Inkscape::Application *inkscape);
 130     void (* external_change) (Inkscape::Application *inkscape);
 131 };
 132
 133 static GObjectClass * parent_class;
 134 static guint inkscape_signals[LAST_SIGNAL] = {0};
 135
 136 static void (* segv_handler) (int) = SIG_DFL;
 137 static void (* abrt_handler) (int) = SIG_DFL;
 138 static void (* fpe_handler)  (int) = SIG_DFL;
 139 static void (* ill_handler)  (int) = SIG_DFL;
 140 #ifndef WIN32
 141 static void (* bus_handler)  (int) = SIG_DFL;
 142 #endif
 143
 144 #define INKSCAPE_PROFILE_DIR "inkscape"
 145 #define INKSCAPE_PROFILE_DIR_047DEV "Inkscape"
 146 #define INKSCAPE_LEGACY_PROFILE_DIR ".inkscape"
 147 #define MENUS_FILE "menus.xml"
 148
 149
 150 /**
 151  *  Retrieves the GType for the Inkscape Application object.
 152  */
 153 GType
 154 inkscape_get_type (void)
 155 {
 156     static GType type = 0;
 157     if (!type) {
 158         GTypeInfo info = {
 159             sizeof (Inkscape::ApplicationClass),
 160             NULL, NULL,
 161             (GClassInitFunc) inkscape_class_init,
 162             NULL, NULL,
 163             sizeof (Inkscape::Application),
 164             4,
 165             (GInstanceInitFunc) inkscape_init,
 166             NULL
 167         };
 168         type = g_type_register_static (G_TYPE_OBJECT, "Inkscape_Application", &info, (GTypeFlags)0);
 169     }
 170     return type;
 171 }
 172
 173
 174 /**
 175  *  Initializes the inkscape class, registering all of its signal handlers
 176  *  and virtual functions
 177  */
 178 static void
 179 inkscape_class_init (Inkscape::ApplicationClass * klass)
 180 {
 181     GObjectClass * object_class;
 182
 183     object_class = (GObjectClass *) klass;
 184
 185     parent_class = (GObjectClass *)g_type_class_peek_parent (klass);
 186
 187     inkscape_signals[MODIFY_SELECTION] = g_signal_new ("modify_selection",
 188                                G_TYPE_FROM_CLASS (klass),
 189                                G_SIGNAL_RUN_FIRST,
 190                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, modify_selection),
 191                                NULL, NULL,
 192                                g_cclosure_marshal_VOID__UINT_POINTER,
 193                                G_TYPE_NONE, 2,
 194                                G_TYPE_POINTER, G_TYPE_UINT);
 195     inkscape_signals[CHANGE_SELECTION] = g_signal_new ("change_selection",
 196                                G_TYPE_FROM_CLASS (klass),
 197                                G_SIGNAL_RUN_FIRST,
 198                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_selection),
 199                                NULL, NULL,
 200                                g_cclosure_marshal_VOID__POINTER,
 201                                G_TYPE_NONE, 1,
 202                                G_TYPE_POINTER);
 203     inkscape_signals[CHANGE_SUBSELECTION] = g_signal_new ("change_subselection",
 204                                G_TYPE_FROM_CLASS (klass),
 205                                G_SIGNAL_RUN_FIRST,
 206                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, change_subselection),
 207                                NULL, NULL,
 208                                g_cclosure_marshal_VOID__POINTER,
 209                                G_TYPE_NONE, 1,
 210                                G_TYPE_POINTER);
 211     inkscape_signals[SET_SELECTION] =    g_signal_new ("set_selection",
 212                                G_TYPE_FROM_CLASS (klass),
 213                                G_SIGNAL_RUN_FIRST,
 214                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_selection),
 215                                NULL, NULL,
 216                                g_cclosure_marshal_VOID__POINTER,
 217                                G_TYPE_NONE, 1,
 218                                G_TYPE_POINTER);
 219     inkscape_signals[SET_EVENTCONTEXT] = g_signal_new ("set_eventcontext",
 220                                G_TYPE_FROM_CLASS (klass),
 221                                G_SIGNAL_RUN_FIRST,
 222                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, set_eventcontext),
 223                                NULL, NULL,
 224                                g_cclosure_marshal_VOID__POINTER,
 225                                G_TYPE_NONE, 1,
 226                                G_TYPE_POINTER);
 227     inkscape_signals[ACTIVATE_DESKTOP] = g_signal_new ("activate_desktop",
 228                                G_TYPE_FROM_CLASS (klass),
 229                                G_SIGNAL_RUN_FIRST,
 230                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, activate_desktop),
 231                                NULL, NULL,
 232                                g_cclosure_marshal_VOID__POINTER,
 233                                G_TYPE_NONE, 1,
 234                                G_TYPE_POINTER);
 235     inkscape_signals[DEACTIVATE_DESKTOP] = g_signal_new ("deactivate_desktop",
 236                                G_TYPE_FROM_CLASS (klass),
 237                                G_SIGNAL_RUN_FIRST,
 238                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, deactivate_desktop),
 239                                NULL, NULL,
 240                                g_cclosure_marshal_VOID__POINTER,
 241                                G_TYPE_NONE, 1,
 242                                G_TYPE_POINTER);
 243     inkscape_signals[SHUTDOWN_SIGNAL] =        g_signal_new ("shut_down",
 244                                G_TYPE_FROM_CLASS (klass),
 245                                G_SIGNAL_RUN_FIRST,
 246                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, shut_down),
 247                                NULL, NULL,
 248                                g_cclosure_marshal_VOID__VOID,
 249                                G_TYPE_NONE, 0);
 250     inkscape_signals[DIALOGS_HIDE] =        g_signal_new ("dialogs_hide",
 251                                G_TYPE_FROM_CLASS (klass),
 252                                G_SIGNAL_RUN_FIRST,
 253                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_hide),
 254                                NULL, NULL,
 255                                g_cclosure_marshal_VOID__VOID,
 256                                G_TYPE_NONE, 0);
 257     inkscape_signals[DIALOGS_UNHIDE] =        g_signal_new ("dialogs_unhide",
 258                                G_TYPE_FROM_CLASS (klass),
 259                                G_SIGNAL_RUN_FIRST,
 260                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, dialogs_unhide),
 261                                NULL, NULL,
 262                                g_cclosure_marshal_VOID__VOID,
 263                                G_TYPE_NONE, 0);
 264     inkscape_signals[EXTERNAL_CHANGE] =   g_signal_new ("external_change",
 265                                G_TYPE_FROM_CLASS (klass),
 266                                G_SIGNAL_RUN_FIRST,
 267                                G_STRUCT_OFFSET (Inkscape::ApplicationClass, external_change),
 268                                NULL, NULL,
 269                                g_cclosure_marshal_VOID__VOID,
 270                                G_TYPE_NONE, 0);
 271
 272     object_class->dispose = inkscape_dispose;
 273
 274     klass->activate_desktop = inkscape_activate_desktop_private;
 275     klass->deactivate_desktop = inkscape_deactivate_desktop_private;
 276 }
 277
 278 #ifdef WIN32
 279 typedef int uid_t;
 280 #define getuid() 0
 281 #endif
 282
 283 /**
 284  * static gint inkscape_autosave(gpointer);
 285  *
 286  * Callback passed to g_timeout_add_seconds()
 287  * Responsible for autosaving all open documents
 288  */
 289 static gint inkscape_autosave(gpointer)
 290 {
 291     if (inkscape->document_set.empty()) { // nothing to autosave
 292         return TRUE;
 293     }
 294     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 295
 296     // Use UID for separating autosave-documents between users if directory is multiuser
 297     uid_t uid = getuid();
 298
 299     Glib::ustring autosave_dir;
 300     {
 301         Glib::ustring tmp = prefs->getString("/options/autosave/path");
 302         if (!tmp.empty()) {
 303             autosave_dir = tmp;
 304         } else {
 305             autosave_dir = Glib::get_tmp_dir();
 306         }
 307     }
 308
 309     GDir *autosave_dir_ptr = g_dir_open(autosave_dir.c_str(), 0, NULL);
 310     if( !autosave_dir_ptr ){
 311         g_warning("Cannot open autosave directory!");
 312         return TRUE;
 313     }
 314
 315     time_t sptime = time(NULL);
 316     struct tm *sptm = localtime(&sptime);
 317     gchar sptstr[256];
 318     strftime(sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 319
 320     gint autosave_max = prefs->getInt("/options/autosave/max", 10);
 321
 322     gint docnum = 0;
 323
 324     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosaving documents..."));
 325     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 326           iter != inkscape->document_set.end();
 327           ++iter) {
 328
 329         SPDocument *doc = iter->first;
 330
 331         ++docnum;
 332
 333         Inkscape::XML::Node *repr = sp_document_repr_root(doc);
 334         // g_debug("Document %d: \"%s\" %s", docnum, doc ? doc->name : "(null)", doc ? (doc->isModifiedSinceSave() ? "(dirty)" : "(clean)") : "(null)");
 335
 336         if (doc->isModifiedSinceSave()) {
 337             gchar *oldest_autosave = 0;
 338             const gchar  *filename = 0;
 339             struct stat sb;
 340             time_t min_time = 0;
 341             gint count = 0;
 342
 343             // Look for previous autosaves
 344             gchar* baseName = g_strdup_printf( "inkscape-autosave-%d", uid );
 345             g_dir_rewind(autosave_dir_ptr);
 346             while( (filename = g_dir_read_name(autosave_dir_ptr)) != NULL ){
 347                 if ( strncmp(filename, baseName, strlen(baseName)) == 0 ){
 348                     gchar* full_path = g_build_filename( autosave_dir.c_str(), filename, NULL );
 349                     if ( g_stat(full_path, &sb) != -1 ) {
 350                         if ( difftime(sb.st_ctime, min_time) < 0 || min_time == 0 ){
 351                             min_time = sb.st_ctime;
 352                             if ( oldest_autosave ) {
 353                                 g_free(oldest_autosave);
 354                             }
 355                             oldest_autosave = g_strdup(full_path);
 356                         }
 357                         count ++;
 358                     }
 359                     g_free(full_path);
 360                 }
 361             }
 362
 363             // g_debug("%d previous autosaves exists. Max = %d", count, autosave_max);
 364
 365             // Have we reached the limit for number of autosaves?
 366             if ( count >= autosave_max ){
 367                 // Remove the oldest file
 368                 if ( oldest_autosave ) {
 369                     unlink(oldest_autosave);
 370                 }
 371             }
 372
 373             if ( oldest_autosave ) {
 374                 g_free(oldest_autosave);
 375                 oldest_autosave = 0;
 376             }
 377
 378
 379             // Set the filename we will actually save to
 380             g_free(baseName);
 381             baseName = g_strdup_printf("inkscape-autosave-%d-%s-%03d.svg", uid, sptstr, docnum);
 382             gchar* full_path = g_build_filename(autosave_dir.c_str(), baseName, NULL);
 383             g_free(baseName);
 384             baseName = 0;
 385
 386             // g_debug("Filename: %s", full_path);
 387
 388             // Try to save the file
 389             FILE *file = Inkscape::IO::fopen_utf8name(full_path, "w");
 390             gchar *errortext = 0;
 391             if (file) {
 392                 try{
 393                     sp_repr_save_stream(repr->document(), file, SP_SVG_NS_URI);
 394                 } catch (Inkscape::Extension::Output::no_extension_found &e) {
 395                     errortext = g_strdup(_("Autosave failed! Could not find inkscape extension to save document."));
 396                 } catch (Inkscape::Extension::Output::save_failed &e) {
 397                     gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 398                     errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 399                     g_free(safeUri);
 400                 }
 401                 fclose(file);
 402             }
 403             else {
 404                 gchar *safeUri = Inkscape::IO::sanitizeString(full_path);
 405                 errortext = g_strdup_printf(_("Autosave failed! File %s could not be saved."), safeUri);
 406                 g_free(safeUri);
 407             }
 408
 409             if (errortext) {
 410                 SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::ERROR_MESSAGE, errortext);
 411                 g_warning("%s", errortext);
 412                 g_free(errortext);
 413             }
 414
 415             g_free(full_path);
 416         }
 417     }
 418     g_dir_close(autosave_dir_ptr);
 419
 420     SP_ACTIVE_DESKTOP->messageStack()->flash(Inkscape::NORMAL_MESSAGE, _("Autosave complete."));
 421
 422     return TRUE;
 423 }
 424
 425 void inkscape_autosave_init()
 426 {
 427     static guint32 autosave_timeout_id = 0;
 428     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 429
 430     // Turn off any previously initiated timeouts
 431     if ( autosave_timeout_id ) {
 432         g_source_remove(autosave_timeout_id);
 433         autosave_timeout_id = 0;
 434     }
 435
 436     // g_debug("options.autosave.enable = %d", prefs->getBool("/options/autosave/enable", true));
 437     // Is autosave enabled?
 438     if (!prefs->getBool("/options/autosave/enable", true)){
 439         autosave_timeout_id = 0;
 440     } else {
 441         // Turn on autosave
 442         guint32 timeout = prefs->getInt("/options/autosave/interval", 10) * 60;
 443         // g_debug("options.autosave.interval = %d", prefs->getInt("/options/autosave/interval", 10));
 444 #if GLIB_CHECK_VERSION(2,14,0)
 445         autosave_timeout_id = g_timeout_add_seconds(timeout, inkscape_autosave, NULL);
 446 #else
 447         autosave_timeout_id = g_timeout_add(timeout * 1000, inkscape_autosave, NULL);
 448 #endif
 449     }
 450 }
 451
 452
 453 static void
 454 inkscape_init (SPObject * object)
 455 {
 456     if (!inkscape) {
 457         inkscape = (Inkscape::Application *) object;
 458     } else {
 459         g_assert_not_reached ();
 460     }
 461
 462     new (&inkscape->document_set) std::map<SPDocument *, int>();
 463
 464     inkscape->menus = sp_repr_read_mem (_(menus_skeleton), MENUS_SKELETON_SIZE, NULL);
 465     inkscape->desktops = NULL;
 466     inkscape->dialogs_toggle = TRUE;
 467     inkscape->mapalt = GDK_MOD1_MASK;
 468     inkscape->trackalt = FALSE;
 469 }
 470
 471 static void
 472 inkscape_dispose (GObject *object)
 473 {
 474     Inkscape::Application *inkscape = (Inkscape::Application *) object;
 475
 476     g_assert (!inkscape->desktops);
 477
 478     Inkscape::Preferences::unload();
 479
 480     if (inkscape->menus) {
 481         /* fixme: This is not the best place */
 482         Inkscape::GC::release(inkscape->menus);
 483         inkscape->menus = NULL;
 484     }
 485
 486     inkscape->document_set.~map();
 487
 488     G_OBJECT_CLASS (parent_class)->dispose (object);
 489
 490     gtk_main_quit ();
 491 }
 492
 493
 494 void
 495 inkscape_ref (void)
 496 {
 497     if (inkscape)
 498         g_object_ref (G_OBJECT (inkscape));
 499 }
 500
 501
 502 void
 503 inkscape_unref (void)
 504 {
 505     if (inkscape)
 506         g_object_unref (G_OBJECT (inkscape));
 507 }
 508
 509 /* returns the mask of the keyboard modifier to map to Alt, zero if no mapping */
 510 /* Needs to be a guint because gdktypes.h does not define a 'no-modifier' value */
 511 guint
 512 inkscape_mapalt() {
 513     return inkscape->mapalt;
 514 }
 515
 516 /* Sets the keyboard modifer to map to Alt. Zero switches off mapping, as does '1', which is the default */
 517 void inkscape_mapalt(guint maskvalue)
 518 {
 519     if(maskvalue<2 || maskvalue> 5 ){  /* MOD5 is the highest defined in gdktypes.h */
 520         inkscape->mapalt=0;
 521     }else{
 522         inkscape->mapalt=(GDK_MOD1_MASK << (maskvalue-1));
 523     }
 524 }
 525
 526 guint
 527 inkscape_trackalt() {
 528     return inkscape->trackalt;
 529 }
 530
 531 void inkscape_trackalt(guint trackvalue)
 532 {
 533         inkscape->trackalt = trackvalue;
 534 }
 535
 536
 537 static void
 538 inkscape_activate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 539 {
 540     desktop->set_active (true);
 541 }
 542
 543
 544 static void
 545 inkscape_deactivate_desktop_private (Inkscape::Application */*inkscape*/, SPDesktop *desktop)
 546 {
 547     desktop->set_active (false);
 548 }
 549
 550
 551 /* fixme: This is EVIL, and belongs to main after all */
 552
 553 #define SP_INDENT 8
 554
 555
 556 static void
 557 inkscape_crash_handler (int /*signum*/)
 558 {
 559     using Inkscape::Debug::SimpleEvent;
 560     using Inkscape::Debug::EventTracker;
 561     using Inkscape::Debug::Logger;
 562
 563     static gint recursion = FALSE;
 564
 565     /*
 566      * reset all signal handlers: any further crashes should just be allowed
 567      * to crash normally.
 568      * */
 569     signal (SIGSEGV, segv_handler );
 570     signal (SIGABRT, abrt_handler );
 571     signal (SIGFPE,  fpe_handler  );
 572     signal (SIGILL,  ill_handler  );
 573 #ifndef WIN32
 574     signal (SIGBUS,  bus_handler  );
 575 #endif
 576
 577     /* Stop bizarre loops */
 578     if (recursion) {
 579         abort ();
 580     }
 581     recursion = TRUE;
 582
 583     EventTracker<SimpleEvent<Inkscape::Debug::Event::CORE> > tracker("crash");
 584     tracker.set<SimpleEvent<> >("emergency-save");
 585
 586     fprintf(stderr, "\nEmergency save activated!\n");
 587
 588     time_t sptime = time (NULL);
 589     struct tm *sptm = localtime (&sptime);
 590     gchar sptstr[256];
 591     strftime (sptstr, 256, "%Y_%m_%d_%H_%M_%S", sptm);
 592
 593     gint count = 0;
 594     gchar *curdir = g_get_current_dir(); // This one needs to be freed explicitly
 595     gchar *inkscapedir = g_path_get_dirname(INKSCAPE->argv0); // Needs to be freed
 596     GSList *savednames = NULL;
 597     GSList *failednames = NULL;
 598     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
 599           iter != inkscape->document_set.end();
 600           ++iter) {
 601         SPDocument *doc = iter->first;
 602         Inkscape::XML::Node *repr;
 603         repr = sp_document_repr_root (doc);
 604         if (doc->isModifiedSinceSave()) {
 605             const gchar *docname;
 606
 607             /* originally, the document name was retrieved from
 608              * the sodipod:docname attribute */
 609             docname = doc->name;
 610             if (docname) {
 611                 /* Removes an emergency save suffix if present: /(.*)\.[0-9_]*\.[0-9_]*\.[~\.]*$/\1/ */
 612                 const char* d0 = strrchr ((char*)docname, '.');
 613                 if (d0 && (d0 > docname)) {
 614                     const char* d = d0;
 615                     unsigned int dots = 0;
 616                     while ((isdigit (*d) || *d=='_' || *d=='.') && d>docname && dots<2) {
 617                         d -= 1;
 618                         if (*d=='.') dots++;
 619                     }
 620                     if (*d=='.' && d>docname && dots==2) {
 621                         char n[64];
 622                         size_t len = MIN (d - docname, 63);
 623                         memcpy (n, docname, len);
 624                         n[len] = '\0';
 625                         docname = n;
 626                     }
 627                 }
 628             }
 629             if (!docname || !*docname) docname = "emergency";
 630
 631             // Emergency filename
 632             char c[1024];
 633             g_snprintf (c, 1024, "%.256s.%s.%d.svg", docname, sptstr, count);
 634
 635             // Find a location
 636             const char* locations[] = {
 637                 doc->base,
 638                 g_get_home_dir(),
 639                 g_get_tmp_dir(),
 640                 curdir,
 641                 inkscapedir
 642             };
 643             FILE *file = 0;
 644             for(size_t i=0; i<sizeof(locations)/sizeof(*locations); i++) {
 645                 if (!locations[i]) continue; // It seems to be okay, but just in case
 646                 gchar * filename = g_build_filename(locations[i], c, NULL);
 647                 Inkscape::IO::dump_fopen_call(filename, "E");
 648                 file = Inkscape::IO::fopen_utf8name(filename, "w");
 649                 if (file) {
 650                     g_snprintf (c, 1024, "%s", filename); // we want the complete path to be stored in c (for reporting purposes)
 651                     break;
 652                 }
 653             }
 654
 655             // Save
 656             if (file) {
 657                 sp_repr_save_stream (repr->document(), file, SP_SVG_NS_URI);
 658                 savednames = g_slist_prepend (savednames, g_strdup (c));
 659                 fclose (file);
 660             } else {
 661                 failednames = g_slist_prepend (failednames, (doc->name) ? g_strdup (doc->name) : g_strdup (_("Untitled document")));
 662             }
 663             count++;
 664         }
 665     }
 666     g_free(curdir);
 667     g_free(inkscapedir);
 668
 669     savednames = g_slist_reverse (savednames);
 670     failednames = g_slist_reverse (failednames);
 671     if (savednames) {
 672         fprintf (stderr, "\nEmergency save document locations:\n");
 673         for (GSList *l = savednames; l != NULL; l = l->next) {
 674             fprintf (stderr, "  %s\n", (gchar *) l->data);
 675         }
 676     }
 677     if (failednames) {
 678         fprintf (stderr, "\nFailed to do emergency save for documents:\n");
 679         for (GSList *l = failednames; l != NULL; l = l->next) {
 680             fprintf (stderr, "  %s\n", (gchar *) l->data);
 681         }
 682     }
 683
 684     // do not save the preferences since they can be in a corrupted state
 685     Inkscape::Preferences::unload(false);
 686
 687     fprintf (stderr, "Emergency save completed. Inkscape will close now.\n");
 688     fprintf (stderr, "If you can reproduce this crash, please file a bug at www.inkscape.org\n");
 689     fprintf (stderr, "with a detailed description of the steps leading to the crash, so we can fix it.\n");
 690
 691     /* Show nice dialog box */
 692
 693     char const *istr = _("Inkscape encountered an internal error and will close now.\n");
 694     char const *sstr = _("Automatic backups of unsaved documents were done to the following locations:\n");
 695     char const *fstr = _("Automatic backup of the following documents failed:\n");
 696     gint nllen = strlen ("\n");
 697     gint len = strlen (istr) + strlen (sstr) + strlen (fstr);
 698     for (GSList *l = savednames; l != NULL; l = l->next) {
 699         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 700     }
 701     for (GSList *l = failednames; l != NULL; l = l->next) {
 702         len = len + SP_INDENT + strlen ((gchar *) l->data) + nllen;
 703     }
 704     len += 1;
 705     gchar *b = g_new (gchar, len);
 706     gint pos = 0;
 707     len = strlen (istr);
 708     memcpy (b + pos, istr, len);
 709     pos += len;
 710     if (savednames) {
 711         len = strlen (sstr);
 712         memcpy (b + pos, sstr, len);
 713         pos += len;
 714         for (GSList *l = savednames; l != NULL; l = l->next) {
 715             memset (b + pos, ' ', SP_INDENT);
 716             pos += SP_INDENT;
 717             len = strlen ((gchar *) l->data);
 718             memcpy (b + pos, l->data, len);
 719             pos += len;
 720             memcpy (b + pos, "\n", nllen);
 721             pos += nllen;
 722         }
 723     }
 724     if (failednames) {
 725         len = strlen (fstr);
 726         memcpy (b + pos, fstr, len);
 727         pos += len;
 728         for (GSList *l = failednames; l != NULL; l = l->next) {
 729             memset (b + pos, ' ', SP_INDENT);
 730             pos += SP_INDENT;
 731             len = strlen ((gchar *) l->data);
 732             memcpy (b + pos, l->data, len);
 733             pos += len;
 734             memcpy (b + pos, "\n", nllen);
 735             pos += nllen;
 736         }
 737     }
 738     *(b + pos) = '\0';
 739
 740     if ( inkscape_get_instance() && inkscape_use_gui() ) {
 741         GtkWidget *msgbox = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", b);
 742         gtk_dialog_run (GTK_DIALOG (msgbox));
 743         gtk_widget_destroy (msgbox);
 744     }
 745     else
 746     {
 747         g_message( "Error: %s", b );
 748     }
 749     g_free (b);
 750
 751     tracker.clear();
 752     Logger::shutdown();
 753
 754     /* on exit, allow restored signal handler to take over and crash us */
 755 }
 756
 757
 758 class InkErrorHandler : public Inkscape::ErrorReporter {
 759 public:
 760     InkErrorHandler(bool useGui) : Inkscape::ErrorReporter(),
 761                                    _useGui(useGui)
 762     {}
 763     virtual ~InkErrorHandler() {}
 764
 765     virtual void handleError( Glib::ustring const& primary, Glib::ustring const& secondary ) const
 766     {
 767         if (_useGui) {
 768             Gtk::MessageDialog err(primary, false, Gtk::MESSAGE_WARNING, Gtk::BUTTONS_OK, true);
 769             err.set_secondary_text(secondary);
 770             err.run();
 771         } else {
 772             g_message("%s", primary.data());
 773             g_message("%s", secondary.data());
 774         }
 775     }
 776
 777 private:
 778     bool _useGui;
 779 };
 780
 781 void
 782 inkscape_application_init (const gchar *argv0, gboolean use_gui)
 783 {
 784     inkscape = (Inkscape::Application *)g_object_new (SP_TYPE_INKSCAPE, NULL);
 785     /* fixme: load application defaults */
 786
 787     segv_handler = signal (SIGSEGV, inkscape_crash_handler);
 788     abrt_handler = signal (SIGABRT, inkscape_crash_handler);
 789     fpe_handler  = signal (SIGFPE,  inkscape_crash_handler);
 790     ill_handler  = signal (SIGILL,  inkscape_crash_handler);
 791 #ifndef WIN32
 792     bus_handler  = signal (SIGBUS,  inkscape_crash_handler);
 793 #endif
 794
 795     inkscape->use_gui = use_gui;
 796     inkscape->argv0 = g_strdup(argv0);
 797
 798     /* Load the preferences and menus */
 799     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 800     InkErrorHandler* handler = new InkErrorHandler(use_gui);
 801     prefs->setErrorHandler(handler);
 802     {
 803         Glib::ustring msg;
 804         Glib::ustring secondary;
 805         if (prefs->getLastError( msg, secondary )) {
 806             handler->handleError(msg, secondary);
 807         }
 808     }
 809
 810     if (use_gui) {
 811         inkscape_load_menus(inkscape);
 812         Inkscape::DeviceManager::getManager().loadConfig();
 813     }
 814
 815     /* set language for user interface according setting in preferences */
 816     Glib::ustring ui_language = prefs->getString("/ui/language");
 817     if(!ui_language.empty())
 818     {
 819         setenv("LANGUAGE", ui_language, 1);
 820     }
 821
 822     /* DebugDialog redirection.  On Linux, default to OFF, on Win32, default to ON.
 823      * Use only if use_gui is enabled
 824      */
 825 #ifdef WIN32
 826 #define DEFAULT_LOG_REDIRECT true
 827 #else
 828 #define DEFAULT_LOG_REDIRECT false
 829 #endif
 830
 831     if (use_gui == TRUE && prefs->getBool("/dialogs/debug/redirect", DEFAULT_LOG_REDIRECT))
 832     {
 833         Inkscape::UI::Dialog::DebugDialog::getInstance()->captureLogMessages();
 834     }
 835
 836     /* Check for global remapping of Alt key */
 837     if (use_gui)
 838     {
 839         inkscape_mapalt(guint(prefs->getInt("/options/mapalt/value", 0)));
 840         inkscape_trackalt(guint(prefs->getInt("/options/trackalt/value", 0)));
 841     }
 842
 843     /* Initialize the extensions */
 844     Inkscape::Extension::init();
 845
 846     inkscape_autosave_init();
 847
 848     return;
 849 }
 850
 851 /**
 852  *  Returns the current Inkscape::Application global object
 853  */
 854 Inkscape::Application *
 855 inkscape_get_instance()
 856 {
 857         return inkscape;
 858 }
 859
 860 gboolean inkscape_use_gui()
 861 {
 862     return inkscape_get_instance()->use_gui;
 863 }
 864
 865 /**
 866  *  Menus management
 867  *
 868  */
 869 bool inkscape_load_menus (Inkscape::Application */*inkscape*/)
 870 {
 871     // TODO fix that fn is being leaked
 872     gchar *fn = profile_path(MENUS_FILE);
 873     gchar *menus_xml = NULL;
 874     gsize len = 0;
 875
 876     if (g_file_get_contents(fn, &menus_xml, &len, NULL)) {
 877         // load the menus_xml file
 878         INKSCAPE->menus = sp_repr_read_mem(menus_xml, len, NULL);
 879         g_free(menus_xml);
 880         if (INKSCAPE->menus) {
 881             return true;
 882         }
 883     }
 884     INKSCAPE->menus = sp_repr_read_mem(menus_skeleton, MENUS_SKELETON_SIZE, NULL);
 885     return (INKSCAPE->menus != 0);
 886 }
 887
 888
 889 void
 890 inkscape_selection_modified (Inkscape::Selection *selection, guint flags)
 891 {
 892     g_return_if_fail (selection != NULL);
 893
 894     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 895         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[MODIFY_SELECTION], 0, selection, flags);
 896     }
 897 }
 898
 899
 900 void
 901 inkscape_selection_changed (Inkscape::Selection * selection)
 902 {
 903     g_return_if_fail (selection != NULL);
 904
 905     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 906         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 907     }
 908 }
 909
 910 void
 911 inkscape_subselection_changed (SPDesktop *desktop)
 912 {
 913     g_return_if_fail (desktop != NULL);
 914
 915     if (DESKTOP_IS_ACTIVE (desktop)) {
 916         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SUBSELECTION], 0, desktop);
 917     }
 918 }
 919
 920
 921 void
 922 inkscape_selection_set (Inkscape::Selection * selection)
 923 {
 924     g_return_if_fail (selection != NULL);
 925
 926     if (DESKTOP_IS_ACTIVE (selection->desktop())) {
 927         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, selection);
 928         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, selection);
 929     }
 930 }
 931
 932
 933 void
 934 inkscape_eventcontext_set (SPEventContext * eventcontext)
 935 {
 936     g_return_if_fail (eventcontext != NULL);
 937     g_return_if_fail (SP_IS_EVENT_CONTEXT (eventcontext));
 938
 939     if (DESKTOP_IS_ACTIVE (eventcontext->desktop)) {
 940         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, eventcontext);
 941     }
 942 }
 943
 944
 945 void
 946 inkscape_add_desktop (SPDesktop * desktop)
 947 {
 948     g_return_if_fail (desktop != NULL);
 949     g_return_if_fail (inkscape != NULL);
 950
 951     g_assert (!g_slist_find (inkscape->desktops, desktop));
 952
 953     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
 954
 955     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
 956     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
 957     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
 958     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
 959 }
 960
 961
 962
 963 void
 964 inkscape_remove_desktop (SPDesktop * desktop)
 965 {
 966     g_return_if_fail (desktop != NULL);
 967     g_return_if_fail (inkscape != NULL);
 968
 969     g_assert (g_slist_find (inkscape->desktops, desktop));
 970
 971     if (DESKTOP_IS_ACTIVE (desktop)) {
 972         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, desktop);
 973         if (inkscape->desktops->next != NULL) {
 974             SPDesktop * new_desktop = (SPDesktop *) inkscape->desktops->next->data;
 975             inkscape->desktops = g_slist_remove (inkscape->desktops, new_desktop);
 976             inkscape->desktops = g_slist_prepend (inkscape->desktops, new_desktop);
 977             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, new_desktop);
 978             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (new_desktop));
 979             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (new_desktop));
 980             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (new_desktop));
 981         } else {
 982             g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, NULL);
 983             if (sp_desktop_selection(desktop))
 984                 sp_desktop_selection(desktop)->clear();
 985         }
 986     }
 987
 988     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
 989
 990     // if this was the last desktop, shut down the program
 991     if (inkscape->desktops == NULL) {
 992         inkscape_exit (inkscape);
 993     }
 994 }
 995
 996
 997
 998 void
 999 inkscape_activate_desktop (SPDesktop * desktop)
1000 {
1001     g_return_if_fail (desktop != NULL);
1002     g_return_if_fail (inkscape != NULL);
1003
1004     if (DESKTOP_IS_ACTIVE (desktop)) {
1005         return;
1006     }
1007
1008     g_assert (g_slist_find (inkscape->desktops, desktop));
1009
1010     SPDesktop *current = (SPDesktop *) inkscape->desktops->data;
1011
1012     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DEACTIVATE_DESKTOP], 0, current);
1013
1014     inkscape->desktops = g_slist_remove (inkscape->desktops, desktop);
1015     inkscape->desktops = g_slist_prepend (inkscape->desktops, desktop);
1016
1017     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1018     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_EVENTCONTEXT], 0, sp_desktop_event_context (desktop));
1019     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[SET_SELECTION], 0, sp_desktop_selection (desktop));
1020     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[CHANGE_SELECTION], 0, sp_desktop_selection (desktop));
1021 }
1022
1023
1024 /**
1025  *  Resends ACTIVATE_DESKTOP for current desktop; needed when a new desktop has got its window that dialogs will transientize to
1026  */
1027 void
1028 inkscape_reactivate_desktop (SPDesktop * desktop)
1029 {
1030     g_return_if_fail (desktop != NULL);
1031     g_return_if_fail (inkscape != NULL);
1032
1033     if (DESKTOP_IS_ACTIVE (desktop))
1034         g_signal_emit (G_OBJECT (inkscape), inkscape_signals[ACTIVATE_DESKTOP], 0, desktop);
1035 }
1036
1037
1038
1039 SPDesktop *
1040 inkscape_find_desktop_by_dkey (unsigned int dkey)
1041 {
1042     for (GSList *r = inkscape->desktops; r; r = r->next) {
1043         if (((SPDesktop *) r->data)->dkey == dkey)
1044             return ((SPDesktop *) r->data);
1045     }
1046     return NULL;
1047 }
1048
1049
1050
1051
1052 unsigned int
1053 inkscape_maximum_dkey()
1054 {
1055     unsigned int dkey = 0;
1056
1057     for (GSList *r = inkscape->desktops; r; r = r->next) {
1058         if (((SPDesktop *) r->data)->dkey > dkey)
1059             dkey = ((SPDesktop *) r->data)->dkey;
1060     }
1061
1062     return dkey;
1063 }
1064
1065
1066
1067 SPDesktop *
1068 inkscape_next_desktop ()
1069 {
1070     SPDesktop *d = NULL;
1071     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1072
1073     if (dkey_current < inkscape_maximum_dkey()) {
1074         // find next existing
1075         for (unsigned int i = dkey_current + 1; i <= inkscape_maximum_dkey(); i++) {
1076             d = inkscape_find_desktop_by_dkey (i);
1077             if (d) {
1078                 break;
1079             }
1080         }
1081     } else {
1082         // find first existing
1083         for (unsigned int i = 0; i <= inkscape_maximum_dkey(); i++) {
1084             d = inkscape_find_desktop_by_dkey (i);
1085             if (d) {
1086                 break;
1087             }
1088         }
1089     }
1090
1091     g_assert (d);
1092
1093     return d;
1094 }
1095
1096
1097
1098 SPDesktop *
1099 inkscape_prev_desktop ()
1100 {
1101     SPDesktop *d = NULL;
1102     unsigned int dkey_current = ((SPDesktop *) inkscape->desktops->data)->dkey;
1103
1104     if (dkey_current > 0) {
1105         // find prev existing
1106         for (signed int i = dkey_current - 1; i >= 0; i--) {
1107             d = inkscape_find_desktop_by_dkey (i);
1108             if (d) {
1109                 break;
1110             }
1111         }
1112     }
1113     if (!d) {
1114         // find last existing
1115         d = inkscape_find_desktop_by_dkey (inkscape_maximum_dkey());
1116     }
1117
1118     g_assert (d);
1119
1120     return d;
1121 }
1122
1123
1124
1125 void
1126 inkscape_switch_desktops_next ()
1127 {
1128     inkscape_next_desktop()->presentWindow();
1129 }
1130
1131
1132
1133 void
1134 inkscape_switch_desktops_prev ()
1135 {
1136     inkscape_prev_desktop()->presentWindow();
1137 }
1138
1139
1140
1141 void
1142 inkscape_dialogs_hide ()
1143 {
1144     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_HIDE], 0);
1145     inkscape->dialogs_toggle = FALSE;
1146 }
1147
1148
1149
1150 void
1151 inkscape_dialogs_unhide ()
1152 {
1153     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[DIALOGS_UNHIDE], 0);
1154     inkscape->dialogs_toggle = TRUE;
1155 }
1156
1157
1158
1159 void
1160 inkscape_dialogs_toggle ()
1161 {
1162     if (inkscape->dialogs_toggle) {
1163         inkscape_dialogs_hide ();
1164     } else {
1165         inkscape_dialogs_unhide ();
1166     }
1167 }
1168
1169 void
1170 inkscape_external_change ()
1171 {
1172     g_return_if_fail (inkscape != NULL);
1173
1174     g_signal_emit (G_OBJECT (inkscape), inkscape_signals[EXTERNAL_CHANGE], 0);
1175 }
1176
1177 /**
1178  * fixme: These need probably signals too
1179  */
1180 void
1181 inkscape_add_document (SPDocument *document)
1182 {
1183     g_return_if_fail (document != NULL);
1184
1185     // try to insert the pair into the list
1186     if (!(inkscape->document_set.insert(std::make_pair(document, 1)).second)) {
1187         //insert failed, this key (document) is already in the list
1188         for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1189                iter != inkscape->document_set.end();
1190                ++iter) {
1191             if (iter->first == document) {
1192                 // found this document in list, increase its count
1193                 iter->second ++;
1194             }
1195        }
1196     }
1197 }
1198
1199
1200 // returns true if this was last reference to this document, so you can delete it
1201 bool
1202 inkscape_remove_document (SPDocument *document)
1203 {
1204     g_return_val_if_fail (document != NULL, false);
1205
1206     for (std::map<SPDocument*,int>::iterator iter = inkscape->document_set.begin();
1207               iter != inkscape->document_set.end();
1208               ++iter) {
1209         if (iter->first == document) {
1210             // found this document in list, decrease its count
1211             iter->second --;
1212             if (iter->second < 1) {
1213                 // this was the last one, remove the pair from list
1214                 inkscape->document_set.erase (iter);
1215                 return true;
1216             } else {
1217                 return false;
1218             }
1219         }
1220     }
1221
1222     return false;
1223 }
1224
1225 SPDesktop *
1226 inkscape_active_desktop (void)
1227 {
1228     if (inkscape->desktops == NULL) {
1229         return NULL;
1230     }
1231
1232     return (SPDesktop *) inkscape->desktops->data;
1233 }
1234
1235 SPDocument *
1236 inkscape_active_document (void)
1237 {
1238     if (SP_ACTIVE_DESKTOP) {
1239         return sp_desktop_document (SP_ACTIVE_DESKTOP);
1240     }
1241
1242     return NULL;
1243 }
1244
1245 bool inkscape_is_sole_desktop_for_document(SPDesktop const &desktop) {
1246     SPDocument const* document = desktop.doc();
1247     if (!document) {
1248         return false;
1249     }
1250     for ( GSList *iter = inkscape->desktops ; iter ; iter = iter->next ) {
1251         SPDesktop *other_desktop=(SPDesktop *)iter->data;
1252         SPDocument *other_document=other_desktop->doc();
1253         if ( other_document == document && other_desktop != &desktop ) {
1254             return false;
1255         }
1256     }
1257     return true;
1258 }
1259
1260 SPEventContext *
1261 inkscape_active_event_context (void)
1262 {
1263     if (SP_ACTIVE_DESKTOP) {
1264         return sp_desktop_event_context (SP_ACTIVE_DESKTOP);
1265     }
1266
1267     return NULL;
1268 }
1269
1270
1271
1272 /*#####################
1273 # HELPERS
1274 #####################*/
1275
1276 void
1277 inkscape_refresh_display (Inkscape::Application *inkscape)
1278 {
1279     for (GSList *l = inkscape->desktops; l != NULL; l = l->next) {
1280         (static_cast<Inkscape::UI::View::View*>(l->data))->requestRedraw();
1281     }
1282 }
1283
1284
1285 /**
1286  *  Handler for Inkscape's Exit verb.  This emits the shutdown signal,
1287  *  saves the preferences if appropriate, and quits.
1288  */
1289 void
1290 inkscape_exit (Inkscape::Application */*inkscape*/)
1291 {
1292     g_assert (INKSCAPE);
1293
1294     //emit shutdown signal so that dialogs could remember layout
1295     g_signal_emit (G_OBJECT (INKSCAPE), inkscape_signals[SHUTDOWN_SIGNAL], 0);
1296
1297     Inkscape::Preferences::unload();
1298     gtk_main_quit ();
1299 }
1300
1301 char *
1302 homedir_path(const char *filename)
1303 {
1304     static const gchar *homedir = NULL;
1305     if (!homedir) {
1306         homedir = g_get_home_dir();
1307     }
1308     if (!homedir) {
1309         homedir = g_path_get_dirname(INKSCAPE->argv0);
1310     }
1311     return g_build_filename(homedir, filename, NULL);
1312 }
1313
1314
1315 /**
1316  * Get, or guess, or decide the location where the preferences.xml
1317  * file should be located.
1318  */
1319 gchar *
1320 profile_path(const char *filename)
1321 {
1322     static const gchar *prefdir = NULL;
1323
1324
1325     if (!prefdir) {
1326         // First check for a custom environment variable for a "portable app"
1327         gchar const *val = g_getenv("INKSCAPE_PORTABLE_PROFILE_DIR");
1328         if (val) {
1329             prefdir = g_strdup(val);
1330         }
1331
1332 #ifdef HAS_SHGetSpecialFolderLocation
1333         // prefer c:\Documents and Settings\UserName\Application Data\ to
1334         // c:\Documents and Settings\userName\;
1335         if (!prefdir) {
1336             ITEMIDLIST *pidl = 0;
1337             if ( SHGetSpecialFolderLocation( NULL, CSIDL_APPDATA, &pidl ) == NOERROR ) {
1338                 gchar * utf8Path = NULL;
1339
1340                 if ( PrintWin32::is_os_wide() ) {
1341                     wchar_t pathBuf[MAX_PATH+1];
1342                     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
1343
1344                     if ( SHGetPathFromIDListW( pidl, pathBuf ) ) {
1345                         utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
1346                     }
1347                 } else {
1348                     char pathBuf[MAX_PATH+1];
1349
1350                     if ( SHGetPathFromIDListA( pidl, pathBuf ) ) {
1351                         utf8Path = g_filename_to_utf8( pathBuf, -1, NULL, NULL, NULL );
1352                     }
1353                 }
1354
1355                 if ( utf8Path ) {
1356                     if (!g_utf8_validate(utf8Path, -1, NULL)) {
1357                         g_warning( "SHGetPathFromIDList%c() resulted in invalid UTF-8", (PrintWin32::is_os_wide() ? 'W' : 'A') );
1358                         g_free( utf8Path );
1359                         utf8Path = 0;
1360                     } else {
1361                         prefdir = utf8Path;
1362                     }
1363                 }
1364
1365
1366                 /* not compiling yet...
1367
1368                 // Remember to free the list pointer
1369                 IMalloc * imalloc = 0;
1370                 if ( SHGetMalloc(&imalloc) == NOERROR) {
1371                     imalloc->lpVtbl->Free( imalloc, pidl );
1372                     imalloc->lpVtbl->Release( imalloc );
1373                 }
1374                 */
1375             }
1376
1377             if (prefdir) {
1378                 prefdir = g_build_filename(prefdir, INKSCAPE_PROFILE_DIR, NULL);
1379             }
1380         }
1381 #endif
1382         if (!prefdir) {
1383             prefdir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR, NULL);
1384             gchar * legacyDir = homedir_path(INKSCAPE_LEGACY_PROFILE_DIR);
1385             gchar * dev47Dir = g_build_filename(g_get_user_config_dir(), INKSCAPE_PROFILE_DIR_047DEV, NULL);
1386
1387             bool needsMigration = ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( legacyDir, G_FILE_TEST_EXISTS ) );
1388             if (needsMigration) {
1389                 // TODO here is a point to hook in preference migration
1390                 g_warning("Preferences need to be migrated from 0.46 or older %s to %s", legacyDir, prefdir);
1391                 Inkscape::Preferences::migrate( legacyDir, prefdir );
1392             }
1393
1394             bool needsRenameWarning = ( !Inkscape::IO::file_test( prefdir, G_FILE_TEST_EXISTS ) && Inkscape::IO::file_test( dev47Dir, G_FILE_TEST_EXISTS ) );
1395             if (needsRenameWarning) {
1396                 g_warning("Preferences need to be copied from  %s to %s", legacyDir, prefdir);
1397             }
1398
1399             g_free(legacyDir);
1400             legacyDir = 0;
1401             g_free(dev47Dir);
1402             dev47Dir = 0;
1403             // In case the XDG user config dir of the moment does not yet exist...
1404             int mode = S_IRWXU;
1405 #ifdef S_IRGRP
1406             mode |= S_IRGRP;
1407 #endif
1408 #ifdef S_IXGRP
1409             mode |= S_IXGRP;
1410 #endif
1411 #ifdef S_IXOTH
1412             mode |= S_IXOTH;
1413 #endif
1414             if ( g_mkdir_with_parents(prefdir, mode) == -1 ) {
1415                 int problem = errno;
1416                 g_warning("Unable to create profile directory (%s) (%d)", g_strerror(problem), problem);
1417             } else {
1418                 gchar const *userDirs[] = {"keys", "templates", "icons", "extensions", "palettes", NULL};
1419                 for (gchar const** name = userDirs; *name; ++name) {
1420                     gchar *dir = g_build_filename(prefdir, *name, NULL);
1421                     g_mkdir_with_parents(dir, mode);
1422                     g_free(dir);
1423                 }
1424             }
1425         }
1426     }
1427     return g_build_filename(prefdir, filename, NULL);
1428 }
1429
1430 Inkscape::XML::Node *
1431 inkscape_get_menus (Inkscape::Application * inkscape)
1432 {
1433     Inkscape::XML::Node *repr = inkscape->menus->root();
1434     g_assert (!(strcmp (repr->name(), "inkscape")));
1435     return repr->firstChild();
1436 }
1437
1438 void
1439 inkscape_get_all_desktops(std::list< SPDesktop* >& listbuf)
1440 {
1441     for(GSList* l = inkscape->desktops; l != NULL; l = l->next) {
1442         listbuf.push_back(static_cast< SPDesktop* >(l->data));
1443     }
1444 }
1445
1446 /*
1447   Local Variables:
1448   mode:c++
1449   c-file-style:"stroustrup"
1450   c-file-offsets:((innamespace . 0)(inline-open . 0))
1451   indent-tabs-mode:nil
1452   fill-column:99
1453   End:
1454 */
1455 // vim: expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :